<template>
  <div style="padding: 10px">
    <!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
    </div>

    <!--    搜索区域-->
    <div style="margin: 10px 0">
      <el-input
        v-model="search"
        placeholder="请输入关键字"
        style="width: 20%"
        clearable
      ></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load"
        >查询</el-button
      >
    </div>
    <el-table
      v-loading="loading"
      :data="tableData"
      border
      stripe
      style="width: 100%"
    >
      <el-table-column prop="id" label="ID" sortable width="80">
      </el-table-column>
      <el-table-column prop="name" label="名称"> </el-table-column>
      <el-table-column prop="comment" label="备注"> </el-table-column>
      <el-table-column label="权限菜单">
        <template #default="scope">
          <el-select
            clearable
            v-model="scope.row.permissions"
            multiple
            placeholder="请选择"
            style="width: 80%"
          >
            <el-option
              v-for="item in permissions"
              :key="item.id"
              :label="item.comment"
              :value="item.id"
            ></el-option>
          </el-select>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template #default="scope">
          <el-button size="mini" type="primary" @click="handleChange(scope.row)"
            >保存权限菜单</el-button
          >
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm
            title="确定删除吗？"
            @confirm="handleDelete(scope.row.id)"
          >
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="currentPage"
        :page-sizes="[5, 10, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </div>

    <el-dialog title="提示" v-model="dialogVisible" width="30%">
      <el-form :model="form" label-width="120px">
        <el-form-item label="名称">
          <el-input v-model="form.name" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="form.comment" style="width: 80%"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import request from "@/utils/request";

export default {
  name: "Role",
  components: {},
  data() {
    return {
      loading: true,
      form: {},
      dialogVisible: false,
      search: "",
      currentPage: 1,
      pageSize: 10,
      total: 0,
      tableData: [],
      permissions: [],
    };
  },
  created() {
    this.load();
  },
  methods: {
    handleChange(row) {
      request.put("/role/changePermission", row).then((res) => {
        if (res.code === "0") {
          this.$message.success("更新成功");
          if (res.data) {
            this.$router.push("/login");
          }
        }
      });
    },
    load() {
      this.loading = true;
      request
        .get("/role", {
          params: {
            pageNum: this.currentPage,
            pageSize: this.pageSize,
            search: this.search,
          },
        })
        .then((res) => {
          this.loading = false;
          this.tableData = res.data.records;
          this.total = res.data.total;
        });

      request.get("/permission/all").then((res) => {
        this.permissions = res.data;
      });
    },
    add() {
      this.dialogVisible = true;
      this.form = {};
    },
    save() {
      if (this.form.id) {
        // 更新
        request.put("/role", this.form).then((res) => {
          console.log(res);
          if (res.code === "0") {
            this.$message({
              type: "success",
              message: "更新成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.msg,
            });
          }
          this.load(); // 刷新表格的数据
          this.dialogVisible = false; // 关闭弹窗
        });
      } else {
        // 新增
        let userStr = sessionStorage.getItem("user") || "{}";
        let user = JSON.parse(userStr);
        this.form.author = user.nickName;

        request.post("/role", this.form).then((res) => {
          console.log(res);
          if (res.code === "0") {
            this.$message({
              type: "success",
              message: "新增成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.msg,
            });
          }

          this.load(); // 刷新表格的数据
          this.dialogVisible = false; // 关闭弹窗
        });
      }
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row));
      this.dialogVisible = true;
    },
    handleDelete(id) {
      console.log(id);
      request.delete("/role/" + id).then((res) => {
        if (res.code === "0") {
          this.$message({
            type: "success",
            message: "删除成功",
          });
        } else {
          this.$message({
            type: "error",
            message: res.msg,
          });
        }
        this.load(); // 删除之后重新加载表格的数据
      });
    },
    handleSizeChange(pageSize) {
      // 改变当前每页的个数触发
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      // 改变当前页码触发
      this.currentPage = pageNum;
      this.load();
    },
  },
};
</script>
